A small flock of chickens can become a great living compost pile. And with new understandings of the superiority of grass-fed organic animal products, including higher Omega-3 fatty acids coming from the eggs of such animals, freerange chickens are showing up again on organic small farms, backyard mini-farms, and even urban lots. Chicken tractors are lightweight bottomless portable pens that fit over garden beds. They can be moved through pathways that need clearing and areas where the growing is complete for the season. Wherever the chickens are moved, they eat pests, pest larvae and pest eggs, and weed seeds. They aerate and churn topsoil, rip old garden residue to shreds, and fertilize with their manure, all while dining on an optimal free meal. The chicken tractor can become a sort of moving compost pile, also. If the chickens